Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10571850 | End member, photoreceptor drum unit, and process cartridge | Yohei Matsuoka, Yasunori Kawai, Kozo Ishio | 2020-02-25 |
| 10534308 | Transmission device for a photosensitive drum | Yohei Matsuoka | 2020-01-14 |
| 10459403 | End member, photoreceptor drum unit, and process cartridge | Yohei Matsuoka, Yasunori Kawai, Kozo Ishio | 2019-10-29 |
| 10254702 | End member, photosensitive drum unit, and process cartridge | Yohei Matsuoka, Shinichi Iijima | 2019-04-09 |
| 10203647 | Bearing member, end member, photoreceptor drum unit, developing roller unit, process cartridge, and manufacturing method of bearing member | Yohei Matsuoka | 2019-02-12 |
| 10146167 | Shaft member, end member, photoreceptor drum unit, developing roller unit, and process cartridge | Yohei Matsuoka, Susumu Taguchi, Shinichi Iijima | 2018-12-04 |
| 10133235 | Shaft member, end member, photoreceptor drum unit, developing roller unit, and process cartridge | Yohei Matsuoka, Shinichi Iijima, Teruyuki Mitsumori, Daishi Kato, Hiroshi Takata | 2018-11-20 |
| 10042310 | End member, photosensitive drum unit, developing roller unit, and process cartridge | Yohei Matsuoka, Yasunori Kawai, Susumu Taguchi | 2018-08-07 |
| 10012951 | End member, photoreceptor drum unit, developing roller unit, and process cartridge | Yohei Matsuoka | 2018-07-03 |
| 10007223 | Bearing member, end member, photoreceptor drum unit, developing roller unit, process cartridge, and manufacturing method of bearing member | Yohei Matsuoka | 2018-06-26 |
| 9851679 | Processing cartridge, photoreceptor drum unit, and end member pair | — | 2017-12-26 |
| 9804551 | End member which allows transmission of rotary power | Yohei Matsuoka, Shinichi Iijima, Teruyuki Mitsumori, Daishi Kato, Hiroshi Takata | 2017-10-31 |
| 9690248 | Bearing member, end member, photoreceptor-drum unit, and process cartridge | Shinichi Iijima | 2017-06-27 |
| 9494905 | Bearing member, end section member, photoreceptor drum unit, and method for manufacturing bearing member | — | 2016-11-15 |
| 9494917 | Process cartridge for image forming apparatus and method of separating process cartridge from image forming apparatus | Yohei Matsuoka, Shinichi Iijima, Teruyuki Mitsumori, Daishi Kato, Hiroshi Takata | 2016-11-15 |
| 9411296 | End portion member, photosensitive drum unit and process cartridge | — | 2016-08-09 |
| 9400484 | Bearing member, end member, photosensitive drum unit, developing roller unit, process cartridge, intermediate member, and bearing member body | Shinichi Iijima | 2016-07-26 |
| 9268303 | Bearing member, end member, photosensitive drum unit, developing roller unit, process cartridge, intermediate member, and bearing member body | Shinichi Iijima | 2016-02-23 |
| 9182741 | End portion member, photosensitive drum unit and process cartridge | — | 2015-11-10 |
| 9182731 | End-side member, photoreceptor drum unit and process cartridge | Shinichi Iijima | 2015-11-10 |
| 9092004 | Process for producing end member, process for producing photo conductor drum unit, end member, and photo conductor drum unit | Takeshi Hiramatsu, Masakatsu Murayama | 2015-07-28 |
| 9062707 | Bearing member, end member, photosensitive drum unit, process cartridge, and method for manufacturing bearing member | — | 2015-06-23 |
| 9058007 | Torque transmitting member disposed at an end of a photosensitive drum, photosensitive drum unit, and process cartridge | Shinichi Iijima | 2015-06-16 |
| 9031459 | Process cartridge and image forming device | Akira Ando | 2015-05-12 |
| 8953984 | Rotating part for image forming apparatus, cartridge for forming image, and image forming apparatus | Shinichi Iijima, Makoto Furuune, Teruyuki Mitsumori | 2015-02-10 |